T. rex Reached Full Size Far Later Than Expected
Researchers examine T. rex bone tissue microstructure. Its leg bones have annual growth rings like tree trunks. Researchers use polarized...
Paleontology
Nanotyrannus Confirmed as Distinct from T. rex
Study involved original Nanotyrannus fossil found in 1942 Hyoid bone showed it was a mature dinosaur, not a juvenile It...
Spicomellus Fossil Reveals Unusual Dinosaur Armor Design
Newly uncovered fossils in Morocco suggest early ankylosaurs had elaborate spikes and armor, possibly for display as well as defense....
How Giant Dinosaurs Evolved Diverse Feeding Styles
A new study reveals that large carnivorous dinosaurs like T. rex, Spinosaurus, and Giganotosaurus developed distinct skull designs and bite...
